Math Help!? - XP Math - Forums

 XP Math - Forums Math Help!?

 07-31-2007 #1 jenna Guest   Posts: n/a Math Help!? Jack works at a restaurant and eats one enchilada for lunch every day that he works. He fiquers that he ate 240 enchiladas last year. 3 enchiladas have 705 calories. how many calories did he take in last year fo eating enchiladas.can you show me the cross poduct method and ratio method for this problem?
 07-31-2007 #2 Corben D Guest   Posts: n/a the cross product is x . . 705----- = -----240 . . 3Then you have x= 240/3 *705How to understand it? x calories for 240 enchiladas have the same ration than 705 calories for 3 enchiladas.
 07-31-2007 #3 Happy Guest   Posts: n/a 3 enchiladas have 705 caloriesso 1 enchilada will have 705/3 = 235 caloriesso 240 enchiladas will have 240*235=56400 calories.
 07-31-2007 #4 lincypanickerqt Guest   Posts: n/a ur info:he ate 240 enchiladas705 calories for 3 enchiladasur question:how many calories all 2gether was eaten?1. u need 2 figure out how many calories 1 enchilada equals 705 calories divided by 3 enchiladas equals one's calories 705 divided by 3= 235 each enchilada equals 235 calories2. u need 2 figure how many calories he ate all together 235 calories for each enchilada multiplied by 240 eaten 235 multiplied by 240= 56,400 he ate 56,400 calories from the enchiladas last year I HOPE I HELPEDgood luck!

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